Weaver news

Weaver Wednesday 3 [245] - Range changes [8]: Red-headed Weaver

Red-headed Weaver Anaplectes rubriceps

Red-headed Weaver, Range-change map between SABAP1 (1987-1991) and SABAP2 (2007-current).
Red, orange and yellow = cells with very large, large, and small relative decreases
Blue, dark green and light green = cells with very large, large and small relative increases.
Cells = quarter-degree grid cells; Only cells with at least 4 checklists in both SABAP1&2 shown. All cells had this species recorded in SABAP1 or in SABAP2 or in both (more about interpretation at Biodiversity Observations 7.62: 1-13).

Red-headed Weaver,figure from Birdpix

Range changes in SA

Range change summary

More

4 lists

30 lists

increases

n

%

n

%

Decrease

90

41

47

38

Tiny change

36

16

30

24

Increase

95

43

45

37

Total

221

100

122

100

In South Africa the Red-headed Weaver has more grid cells with increases in reporting rate than cells showing decreases, between SABAP1 (1987-1991) and SABAP2 (2007-).

The points below match the points on the map above.

Areas with very large increases include:
1. Western Limpopo Province.

Vagrant records:
2. Zululand, KwaZulu-Natal - new vagrant records show as blue grids, and vagrant records from SABAP1 are red.